Proudly Australian Owned & Operated
Our Products
Retail & Wholesale Support
Custom & Industrial Battery Solutions

Industrial & Commercial

Consumer & Replacement

Battery Application Worksheet

Battery Application Worksheet

Specification Documents to outline your requirements.

Lithium Battery Safety

Master Instruments - Battery Safety

We offer testing to the IEC 62133:2 2017 and UN38.3 standards.

Battery Testing Capabilities

Battery Testing Equipment

Explore our range of battery testing capabilities.

Quality Assurance

Master Instruments Provide You With Quality Assurance

Our quality management system is ISO 9001:2015 certified.

Batteries By Application Use

Master Instruments - Battery By Category

Explore by product category, application or intended use

Batteries By Chemistry

Master Instruments - Battery By Chemistry

Find your battery by chemistry type both rechargeable & primary

Battery Chargers

Master Instruments - Battery Chargers

Chargers for batteries and electronic devices

Battery Analysers

Battery Analysis - Battery Analysers

View our range of battery testers & analysers

Battery Assembly

Custom Battery Pack Solutions For Your Business

Custom battery pack assembly provision

Industry Solutions

We Provide Industrial Battery Solutions

Explore our capabilities to supply your industry need

Power Products

Master Instruments - Power Products

For all your AC & DC power supplies, solar, inverters & power distribution

Battery Assembly Parts

Battery Assembly Parts & Holders

Battery assembly components, parts, leads & connectors

Test & Measurement

Master Instruments - Digital Testing Equipment & Measurement

Digital test & measurement, telco equipment analogue meters & shunts

Torches & Flashlights

Lighting, Flashlight & Torch Battery Solutions

LED & standard torches, flashlight & exit light batteries

Battery Holders & Cases

Battery Holders & Cases

We cater for a range of battery holders and cases

Power Engineering Tools

Crimping, Opening & Extraction Tools, Cordless Soldering Irons.

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Featured Products

Laptop & Notebook Batteries

MI is continually expanding our replacement Laptop battery range to ensure the latest models are catered for. Click the heading to read more

Drypower 200Ah Rechargeable Lithium

The BIG 200Ah Drypower Lithium battery is now available! Perfect for big capacity users who dont want to muck around with multiple batteries   Click the heading to read more

ICS1 Battery Guardian

When you want to hit the road or waterways, ensure your bike or PWC is always ready with the ICS1 Automatic battery charger & maintainer Click the heading to read more

Xtar Charger & Tester

The ultimate LiIon 4 cell charger with a battery capacity test function, charge port of 3S packs and adjustable current settings Click the heading to read more

Products by Brand


Victron Energy Busbars


MI has added the new range of Busbars from Victron Energy to the rangeRead More

Sun Xtender Now Available


Master Instruments has added the Sun Xtender range of AGM batteries to our stable of productsRead More

Symmetry Now Available


Master Instruments is now stocking the Symmetry range of solar panels, mountings and accessoriesRead More

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